CN109216963B - T-joint fitting for three-split conductors of transformer substation - Google Patents
T-joint fitting for three-split conductors of transformer substation Download PDFInfo
- Publication number
- CN109216963B CN109216963B CN201811289177.2A CN201811289177A CN109216963B CN 109216963 B CN109216963 B CN 109216963B CN 201811289177 A CN201811289177 A CN 201811289177A CN 109216963 B CN109216963 B CN 109216963B
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- CN
- China
- Prior art keywords
- wire
- wire clamping
- clamping parts
- branching
- split
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
Abstract
The invention discloses a T-joint fitting for three split conductors of a transformer substation, which comprises a first branching part and a second branching part, wherein the first branching part comprises three wire clamping parts which are fixedly connected by a first connecting rod; the three wire clamping parts of the first wire separating part and the first connecting rod form an inverted triangle, the second wire separating part comprises two wire clamping parts, the two wire clamping parts of the second wire separating part and the two wire clamping parts at the upper part of the first wire separating part are positioned in the same plane, the wire clamping parts are of a T shape, the horizontal part of the T shape is along the axial direction of the lead, and the vertical direction of the T shape is vertical to the lead; the first branching part and the second branching part are fixedly connected by adopting a second connecting rod, so that the site installation is convenient, and the working strength of workers is low; the splitting distance of the triangular three-split conductors is easy to ensure; the split spacer can be used as a split spacer, so that the use amount of the split spacer is reduced, and the safety of field installation is greatly improved.
Description
Technical Field
The invention belongs to the field of power transmission and transformation, and particularly relates to a T-connection fitting of a three-split conductor of a transformer substation.
Background
Three-split conductor type is rarely adopted in domestic substations, but with the construction of high-altitude substations, conductor corona, radio interference and audible noise become the control check basis of conductor selection. Domestic multi-purpose two split conductors or four split conductors, but for high altitude substations, the conductor selection control factors are mainly conductor corona, radio interference and audible noise, if two split conductors are adopted, the diameter of the conductor needs to be increased, and if four split conductors are adopted, the number of the conductors needs to be increased. And a three-split conductor is interposed between a two-split conductor and a four-split conductor, thus having a great economical advantage. However, three split conductors are in a regular triangle shape, and the hardware selection is difficult during T connection.
Disclosure of Invention
In order to solve the problems, the invention provides a T-connection fitting for a three-split conductor of a transformer substation, which is provided with two branching parts and solves the T-connection problem of the three-split conductor.
In order to achieve the above purpose, the invention adopts the following technical scheme: the T-joint fitting for the three split conductors of the transformer substation comprises a first branching part and a second branching part, wherein the first branching part comprises three wire clamping parts, and the three wire clamping parts are fixedly connected by a first connecting rod; the three wire clamping parts of the first wire separating part and the first connecting rod form an inverted triangle, the second wire separating part comprises two wire clamping parts, the two wire clamping parts of the second wire separating part and the two wire clamping parts at the upper part of the first wire separating part are positioned in the same plane, the wire clamping parts are of a T shape, the horizontal part of the T shape is along the axial direction of the lead, and the vertical direction of the T shape is vertical to the lead; the first branching part and the second branching part are fixedly connected through a second connecting rod.
The centers of the three wire clamping parts on the first wire dividing part are positioned at three vertexes of an equilateral triangle.
The horizontal part and the vertical part of the wire clamping part are hollow tubular, the inner diameter of the tube is larger than the diameter of the wire, a threaded hole is formed in the tube wall, and a fastening bolt is arranged in the threaded hole.
The inner wall of the tube is provided with a spiral groove which is consistent with the spiral of the wire.
The first branching part and the second branching part adopt an integrated structure.
The surfaces of the first branching part and the second branching part are provided with galvanized layers.
The contact surface of the wire clamping part and the wire is provided with a conductive cushion layer for increasing the contact area of the wire clamping part and the wire.
Compared with the prior art, the invention has at least the following beneficial effects: the invention is provided with a first branching part and a second branching part, wherein the first branching part comprises three wire clamping parts, and the three wire clamping parts are fixedly connected by a first connecting rod; the three wire clamping parts of the first wire separating part and the first connecting rod form an inverted triangle, the second wire separating part comprises two wire clamping parts, the two wire clamping parts of the second wire separating part and the two wire clamping parts at the upper part of the first wire separating part are positioned in the same plane, the wire clamping parts are of a T shape, the horizontal part of the T shape is along the axial direction of the lead, and the vertical direction of the T shape is vertical to the lead; the first branching part and the second branching part are fixedly connected by a second connecting rod; the field installation is convenient, and the working strength of workers is low; the splitting distance of the triangular three-split conductors is easy to ensure; the split spacer can be used as a split spacer, so that the use amount of the split spacer is reduced, and the safety of field installation is greatly improved.
Further, the contact surface of the wire clamping part and the wire is provided with a conductive cushion layer for increasing the contact area of the wire clamping part and the wire, so that the conductivity and the conductivity stability of the wire clamping part are enhanced.
Further, the galvanized layer is arranged on the surfaces of the first branching part and the second branching part, so that the hardware fitting can be effectively prevented from being corroded, the service life of the hardware fitting is prolonged, and the safety of a power supply circuit is improved.
Further, the contact surface of the wire clamping part and the wire is provided with a conductive cushion layer for increasing the contact area of the wire clamping part and the wire, and meanwhile, the stability of wire connection is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a tri-split wire T-joint fitting;
fig. 2 is a schematic top view of a tri-split wire tee fitting;
FIG. 3 is a schematic side view of a tri-split wire T-junction fitting;
in the drawing, a 1-wire clamping part, a 2-first wire separating part, a 3-second wire separating part, a 4-first connecting rod and a 5-second connecting rod are arranged.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1-3, a three-split-conductor T-joint fitting of a transformer substation comprises a first branching part 2 and a second branching part 3, wherein the first branching part 2 comprises three wire clamping parts 1, and the three wire clamping parts 1 are fixedly connected by a first connecting rod 4; the three wire clamping parts 1 of the first wire separating part 2 and the first connecting rod 4 form an inverted triangle, the second wire separating part 3 comprises two wire clamping parts 1, the two wire clamping parts 1 of the second wire separating part 3 and the two wire clamping parts 1 on the upper part of the first wire separating part 2 are positioned in the same plane, the wire clamping parts 1 are of a T shape, the horizontal part of the T shape is along the axial direction of a wire, and the vertical direction of the T shape is vertical to the wire; the first branching part and the second branching part are fixedly connected by a second connecting rod 5.
The centers of the three wire clamping parts 1 on the first wire dividing part 2 are positioned at three vertexes of an equilateral triangle; the horizontal part and the vertical part of the wire clamping part 1 are hollow tubular, the inner diameter of the tube is larger than the diameter of a wire, a threaded hole is formed in the tube wall, a fastening bolt is arranged in the threaded hole, and the wire clamping part 1 adopts a bolt type wire clamp.
In the invention, the first branching part 2 and the second branching part 3 are preferably of an integrated structure; the surfaces of the first branching part 2 and the second branching part 3 are provided with zinc plating layers; the contact surface of the wire clamping part 1 and the wire is provided with a conductive cushion layer for increasing the contact area of the wire clamping part and the wire.
The inner wall of the tube is provided with a spiral groove which is consistent with the spiral of the wire.
As an alternative embodiment of the invention, the wire clamping part 1 adopts a bolt type wire clamp, which is suitable for wires with more different sections and can be used for connecting wires with the same bus bar and down-lead wire specifications.
The length of the first connecting rod 4 is L, and the length of the second connecting rod 5 is。
The contact surface of the wire clamping part 1 and the wire is provided with a conductive cushion layer for increasing the contact area of the wire clamping part 1 and the wire, so that the conductivity and the conductivity stability of the wire clamping part are enhanced.
Claims (6)
1. The T-shaped joint fitting for the three-split wires of the transformer substation is characterized by comprising a first branching part (2) and a second branching part (3), wherein the first branching part (2) comprises three wire clamping parts (1), and the three wire clamping parts (1) are fixedly connected by adopting a first connecting rod (4); the three wire clamping parts (1) of the first wire separating part (2) and the first connecting rod (4) form an inverted triangle, the second wire separating part (3) comprises two wire clamping parts (1), the two wire clamping parts (1) of the second wire separating part (3) and the two wire clamping parts (1) at the upper part of the first wire separating part (2) are positioned in the same plane, the wire clamping parts (1) are of a T shape, the horizontal part of the T shape is along the axial direction of a wire, and the vertical direction of the T shape is perpendicular to the wire; the first branching part and the second branching part are fixedly connected by a second connecting rod (5); the centers of the three wire clamping parts (1) on the first wire dividing part (2) are positioned at three vertexes of an equilateral triangle; the horizontal part and the vertical part of the wire clamping part (1) are hollow tubular, the inner diameter of the tube is larger than the diameter of the wire, a threaded hole is formed in the tube wall, and a fastening bolt is arranged in the threaded hole.
2. The substation tripartite wire tee fitting according to claim 1, wherein the inner wall of the tube is provided with a spiral groove conforming to the wire spiral.
3. The transformer substation three-split-conductor T-joint fitting according to claim 1, wherein the wire clamping part (1) adopts a bolt type wire clamp.
4. The transformer substation three-split-conductor T-joint fitting according to claim 1, wherein the first branching portion (2) and the second branching portion (3) adopt an integrated structure.
5. The transformer substation three-split-conductor T-joint fitting according to any one of claims 1 to 4, wherein the surfaces of the first branching portion (2) and the second branching portion (3) are both provided with a galvanization layer.
6. The transformer substation three-split-conductor T-joint fitting according to claim 5, wherein the wire clamping part (1) and the conductor contact surface is provided with a conductive pad layer for increasing the contact area of the wire clamping part and the conductor contact surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289177.2A CN109216963B (en) | 2018-10-31 | 2018-10-31 | T-joint fitting for three-split conductors of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289177.2A CN109216963B (en) | 2018-10-31 | 2018-10-31 | T-joint fitting for three-split conductors of transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216963A CN109216963A (en) | 2019-01-15 |
| CN109216963B true CN109216963B (en) | 2023-10-20 |
Family
ID=64998226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289177.2A Active CN109216963B (en) | 2018-10-31 | 2018-10-31 | T-joint fitting for three-split conductors of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216963B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201733051U (en) * | 2010-07-22 | 2011-02-02 | 重庆大学 | Split conductor waving preventer |
| CN204904934U (en) * | 2015-08-21 | 2015-12-23 | 江苏双汇孚泰电气有限公司 | Three become three division T shape yoke plates |
| CN204905814U (en) * | 2015-08-21 | 2015-12-23 | 江苏双汇孚泰电气有限公司 | One becomes three division T shape yoke plates |
| CN106710753A (en) * | 2015-08-21 | 2017-05-24 | 江苏双汇孚泰电气有限公司 | Three-transformer ternary fission T-shaped link plate |
| CN206649950U (en) * | 2017-03-29 | 2017-11-17 | 江苏双汇孚泰电气有限公司 | Preformed carbon-fibre wire strain insulator-string |
| CN206962398U (en) * | 2017-07-27 | 2018-02-02 | 江苏双汇孚泰电气有限公司 | The anti-wedge type clamp of giving up the throne of reinforcement wire |
| CN108173202A (en) * | 2017-12-04 | 2018-06-15 | 国网新疆电力有限公司经济技术研究院 | A kind of female double T of pipe connect double bundle conductor gold utensil |
-
2018
- 2018-10-31 CN CN201811289177.2A patent/CN109216963B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201733051U (en) * | 2010-07-22 | 2011-02-02 | 重庆大学 | Split conductor waving preventer |
| CN204904934U (en) * | 2015-08-21 | 2015-12-23 | 江苏双汇孚泰电气有限公司 | Three become three division T shape yoke plates |
| CN204905814U (en) * | 2015-08-21 | 2015-12-23 | 江苏双汇孚泰电气有限公司 | One becomes three division T shape yoke plates |
| CN106710753A (en) * | 2015-08-21 | 2017-05-24 | 江苏双汇孚泰电气有限公司 | Three-transformer ternary fission T-shaped link plate |
| CN206649950U (en) * | 2017-03-29 | 2017-11-17 | 江苏双汇孚泰电气有限公司 | Preformed carbon-fibre wire strain insulator-string |
| CN206962398U (en) * | 2017-07-27 | 2018-02-02 | 江苏双汇孚泰电气有限公司 | The anti-wedge type clamp of giving up the throne of reinforcement wire |
| CN108173202A (en) * | 2017-12-04 | 2018-06-15 | 国网新疆电力有限公司经济技术研究院 | A kind of female double T of pipe connect double bundle conductor gold utensil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109216963A (en) | 2019-01-15 |
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